Hyundai Sonata: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season, and before traveling to a colder climate.
Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according
to the Maintenance Schedule at the beginning of this section.
CALIFORNIA PROPOSITION 65 WARNING
Engine oil contains ...
Checking the coolant level
WARNING
Removing radiator cap
Never attempt to remove the radiator cap while the engine is operating
or hot. Doing so might lead to cooling system and engine damage and could result
in se ...
See also:
Relay Box (Engine Compartment). Description and Operation
Description
Network Configuration
The Network of the SJB(Smart Junction Box) consists of Low speed CAN as
shown in the following figure.
Termination Resistor
The SJB has CAN ter ...
Vehicle data collection and event data recorders
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road ...
Engine compartment fuse replacement
1. Turn the ignition switch and all other switches off.
2. Remove the fuse panel cover by pressing the tab and pulling up.
3. Check the removed fuse; replace it if it is blown. To remove or inse ...
